Finding the Fourth Proportional to 186,271,878.84, 257,066,479.89 and 102,639,908.31
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Solution
The fourth proportional to 186,271,878.84, 257,066,479.89 and 102,639,908.31 is: 141,649,292.90
Step by Step Solution
- Step 1: Write the proportion equation
186,271,878.84 : 257,066,479.89 = 102,639,908.31 : x - Step 2: Convert to fraction form
186,271,878.84/257,066,479.89 = 102,639,908.31/x - Step 3: Cross multiply
186,271,878.84x = 257,066,479.89 × 102,639,908.31 - Step 4: Simplify right side
186,271,878.84x = 26,385,279,925,484,060 - Step 5: Solve for x
x = 26,385,279,925,484,060/186,271,878.84 - Step 6: Final answer
x = 141,649,292.90
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.